# Algebra I

posted by
**DANIELLE** on
.

Am I correct with this

using (a-b)^2

(sqrt3)^2-2(sqrt3)(5) +(sqrt5)^2

=3-2sqrt15+5

=8-2sqrt15

If you were doing (sqr(3) + sqr(5))^2

yes, you are right.

posted by
**DANIELLE** on
.

Am I correct with this

using (a-b)^2

(sqrt3)^2-2(sqrt3)(5) +(sqrt5)^2

=3-2sqrt15+5

=8-2sqrt15

If you were doing (sqr(3) + sqr(5))^2

yes, you are right.